lsusb - 092012
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 027: ID 1770:ff00
Bus 001 Device 028: ID 0409:0059 NEC Corp. HighSpeed Hub
Bus 002 Device 003: ID 046d:c521 Logitech, Inc. Cordless Mouse Receiver
Bus 002 Device 004: ID 0bda:0139 Realtek Semiconductor Corp.
Bus 002 Device 005: ID 5986:0192 Acer, Inc
Bus 001 Device 029: ID 046d:c52b Logitech, Inc. Unifying Receiver